/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.je.bpm.engine.impl.cmd;

import com.je.bpm.engine.ActivitiException;
import com.je.bpm.engine.delegate.DelegateHelper;
import com.je.bpm.engine.impl.interceptor.CommandContext;
import com.je.bpm.engine.impl.persistence.entity.TaskEntity;
import com.je.bpm.engine.task.Comment;
import com.je.bpm.engine.task.DelegationState;
import com.je.bpm.engine.upcoming.UpcomingCommentInfoDTO;
import org.apache.commons.lang3.StringUtils;

import java.util.HashMap;
import java.util.Map;

/**
 * 取消委托
 */
public class CancelDelegateTaskCmd extends NeedsActiveTaskCmd<Object> {

    private static final long serialVersionUID = 1L;

    public CancelDelegateTaskCmd(String taskId, String prod, Map<String, Object> bean) {
        super(taskId, prod, bean);
    }


    @Override
    protected Object execute(CommandContext commandContext, TaskEntity task) {
        if (task.getDelegationState() == null || !(task.getDelegationState().equals(DelegationState.PENDING))) {
            throw new ActivitiException(String.format("The task %s is not in delegate state.", task.getName()));
        }
        task.setDelegationState(null);

        commandContext.getProcessEngineConfiguration().getTaskService().addComment(taskId, task.getProcessInstanceId(),
                Comment.CANCEL_CANDIDATE_USER_ID, task.getOwner());

        if (StringUtils.isEmpty(task.getOwner())) {
            throw new ActivitiException(String.format("The delegate task %s owner is empty.", task.getName()));
        }

        String newAssignee = task.getOwner();
//        task.setAssignee(newAssignee);
        task.setOwner(null);
        Map<String, String> par = new HashMap<>();
        par.put("transferUserId", newAssignee);
        UpcomingCommentInfoDTO upcomingInfo = DelegateHelper.buildUpcomingInfo(null, "取消委托",
                SubmitTypeEnum.CANCELDELEGATE, task.getBusinessKey(), taskId, par);
        commandContext.getProcessEngineConfiguration().getActivitiUpcomingRun().completeUpcoming(upcomingInfo);
        commandContext.getTaskEntityManager().changeTaskAssignee(task, newAssignee);
        return null;
    }

    @Override
    protected String getSuspendedTaskException() {
        return "Cannot delegate a suspended task";
    }

}
